Created
March 21, 2019 14:34
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%load_ext autoreload | |
%autoreload 2 | |
# %% | |
import hashlib | |
from zokrates.eddsa import PrivateKey, PublicKey | |
from zokrates.field import FQ | |
from zokrates.utils import write_for_zokrates_cli | |
raw_msg = "This is my secret message" | |
msg = hashlib.sha512(raw_msg.encode("utf-8")).digest() | |
# sk = PrivateKey.from_rand() | |
# Seeded for debug purpose | |
key = FQ(1997011358982923168928344992199991480689546837621580239342656433234255379025) | |
sk = PrivateKey(key) | |
sig = sk.sign(msg) | |
pk = PublicKey.from_private(sk) | |
is_verified = pk.verify(sig, msg) | |
print(is_verified) | |
#%% | |
hAM = 108668349213596007683571215050197457258149172074632839444545934270199648764593 | |
hAMinv = inv(108668349213596007683571215050197457258149172074632839444545934270199648764593, 21888242871839275222246405745257275088614511777268538073601725287587578984328) | |
assert hAM * hAMinv % 21888242871839275222246405745257275088614511777268538073601725287587578984328== 1 | |
#%% | |
B = Point.generator() | |
sB = B.mult(sig[1]) | |
#%% | |
sbR = (sB - sig[0]) | |
assert sbR.mult(hAMinv) == pk.p |
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